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A Simple Proof of Descartes's Rule of Signs.
- Source :
-
American Mathematical Monthly . Jun/Jul2004, Vol. 111 Issue 6, p525-526. 2p. - Publication Year :
- 2004
-
Abstract
- Provides a simple proof of Descartes' rule of signs in high school algebra. Proof of theorems; Variations in the signs of the sequence of coefficients; Number of positive zeros of p counting multiplicities by z; Nonnegative integers; Induction hypothesis; Arbitrary real numbers.
Details
- Language :
- English
- ISSN :
- 00029890
- Volume :
- 111
- Issue :
- 6
- Database :
- Academic Search Index
- Journal :
- American Mathematical Monthly
- Publication Type :
- Academic Journal
- Accession number :
- 13484543
- Full Text :
- https://doi.org/10.1080/00029890.2004.11920108